Ключевые слова: 30s, 40s, african american, analysing, black, caucasian, close up, cure, face covering, face mask, female, focus on foreground, forties, front view, health, holding, horizontal, hospital, lab, laboratory, looking at camera, medical, medicine, mixed race, occupation, omicron, pandemic, people, person, portrait, ppe, researching, sample, science, scientist, studying, test tube, testing, thirties, two people, vaccine, variant, waist up, woman, women, worker, working,